Urged by the chief editor for not finding a fresh story, the novelist Yoon-hee(JO An) hears an interesting story from Seo-yeon(CHA Ye-ryun) who had immigrated to Vietnam. The story of the cursed portrait fascinates Yoon-hee and she heads for Vietnam where Muoi and Seo-yeon await her. Having arrived in Vietnam, Yoon-hee feels somewhat eerie seeing Seo-yeon who has turned into a sumptuous lady she was never before. And as this feeling of hers intensifies, Yoon-hee starts to become obsessed with collecting data on the secret of 'Muoi'. However, as the secret behind the portrait reveals one by one, the omen of the curse gradually appears in front of Yoon-hee and Seo-yeon. Vietnam, which only looked beautiful with its exotic nature, now turns into a place of a nightmare. The secret of 'Muoi' that had brought Yoon-hee and Seo-yeon together now approaches them in full terror and not knowing this fact, they encounter the final truth.